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import { Fixture } from '../../common/framework/fixture.js';
import { getGPU } from '../../common/util/navigator_gpu.js';
import { assert } from '../../common/util/util.js';
interface UnknownObject {
[k: string]: unknown;
}
/**
* Base fixture for testing the exposed interface is correct (without actually using WebGPU).
*/
export class IDLTest extends Fixture {
async init(): Promise<void> {
// Ensure the GPU provider is initialized
getGPU();
}
/**
* Asserts that a member of an IDL interface has the expected value.
*/
assertMember(act: UnknownObject, exp: UnknownObject, key: string) {
assert(key in act, () => `Expected key ${key} missing`);
assert(act[key] === exp[key], () => `Value of [${key}] was ${act[key]}, expected ${exp[key]}`);
}
/**
* Asserts that an IDL interface has the same number of keys as the
*
* MAINTENANCE_TODO: add a way to check for the types of keys with unknown values, like methods and attributes
* MAINTENANCE_TODO: handle extensions
*/
assertMemberCount(act: UnknownObject, exp: UnknownObject) {
const expKeys = Object.keys(exp);
const actKeys = Object.keys(act);
assert(
actKeys.length === expKeys.length,
() => `Had ${actKeys.length} keys, expected ${expKeys.length}`
);
}
}
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